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Supplemental Disclosure of Cash Flow Information - Schedule of Supplement Cash Flow (Details) - USD ($)
 12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2013
Supplemental Cash Flow Elements [Abstract]      
Income taxes paid $ 220,000 $ 755,941 $ 699,874
Income tax refunds 331,733 0 0
Non-cash transactions:      
Change in accounts payable used to acquire property and equipment 5,422,566 (183,766) (1,535,322)
Oil and natural gas property costs attributable to the recognition of asset retirement obligations 576,039 66,976 65,575
Accrued purchases of treasury stock 170,283 0 0
Previously acquired Company shares swapped by holders to pay stock option exercise price $ 0 $ 618,606 $ 0